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Appendix
Downloading Software into
the Product to Update
Downloading updated software via the Internet
directly from the product is available.
1
Home screen → [基本機能 (Basic
Function)] → [Settings] → [About
tablet] → [Software update]
From here on, follow the on-screen instructions.
◎ Note that depending on the terms of your
subscription contract, communication charges
may be incurred for the product to automatically
search for available networks.
◎ After a software/OS update, the product cannot
revert to the previous version software.
Troubleshooting
Before you assume that the product is
malfunctioning, confirm the following contents and
perform "トラブル診断 (Trouble check)" in "故障紛失サ
ポート (Repair and Delivery Service)" app.
Home screen → [au Supports] → [故障紛失サポー
ト (Repair and Delivery Service)] → [トラブル診断
(Trouble check)] (Displayed language is Japanese
only)
Trouble
Detail
Page
Cannot turn on
power
Is the internal battery
charged?
P. 16
Is
F
(Power button) pressed
and held until the notification
light turns on?
P. 20
Cannot charge
the product
Is the specified charger (sold
separately) correctly used for
charging?
P. 17
Is the product at a high or low
temperature? The product
may stop charging depending
on a temperature.
P. 16
Is the specified accessory
(adapter etc.) used for
charging?
P. 17
Cannot
operate/The
screen does
not respond/
Cannot turn off
the power
Press and hold
F
(Power
button) and
r
(Volume up
button) at the same time for
at least 11 seconds.
P. 20
The power
is turned off
automatically
Is the internal battery
adequately charged?
P. 16
The power
is turned off
while the wake-
up logo is
displayed
Is the internal battery
adequately charged?
P. 16